On Friday, 3 March 2017 15:00:00 GMT Ralph Corderoy wrote:
> mpg321 has a -l option to loop N times. If N is 0 then forever. So
> your callback starts mpg321 with -l and gives it the sorted list of all
> the MP3s in the current playlist-directory entry, e.g.
> `valkyries/*.mp3'. Then it forgets
On Friday, 3 March 2017 17:46:43 GMT Ralph Corderoy wrote:
> Hi Terry,
>
> > > Change it back to that and take them to be directory names instead,
> > > and `daisy/*.mp3' is what you pass to mpg321 using your existing
> > > `sorted(...listdir)' functional-programming thingy.
Well actually, that
Hi Terry,
> > But that's not "using your existing... functional-programming
> > thingy" mentioned above.
> >
> > mp3_files = sorted(os.path.join(mp3_subdir, x) for x in
> > filter(lambda f: f.lower().endswith(".mp3"), os.listdir(mp3_subdir)))
>
> No it's not, but that bit of code produces
On Thursday, 2 March 2017 19:36:29 GMT Ralph Corderoy wrote:
> GPIO creates *one* thread, not one per add_event_detect(). That one
> thread calls the registered callbacks sequentially. You end up with two
> threads.
> I did keep trying to get across you didn't need more than this. :-)
Yes I
Hi Terry,
> So what was your intention when you wrote those lines:
>
> r = bell_player.wait():
> if r:
> print 'bell_player: mpg321 failed: %#x\n' % r
> bell_player = None
I was intending that you'd see the results familiar from
On Friday, 3 March 2017 11:31:44 GMT Ralph Corderoy wrote:
> Correct. So `if r not in (0, -15):' looks apt.
It does to me too. Thanks.
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Terry Coles
--
Next meeting: Bournemouth, Tuesday, 2017-03-07 20:00
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Hi Terry,
> So what happens if the .terminate() doesn't work?
Well, it's likely to work in that it will successfully send SIGTERM to
mpg321. That's all it's trying to do; the Unix function is called
signal(3). (The misleading `terminate' is typical of later Python's
cross-platform
On Thursday, 2 March 2017 20:17:53 GMT Ralph Corderoy wrote:
> Because this wait() doesn't take any parameters, unlike the threading
> module's one. :-)
So what happens if the .terminate() doesn't work? Presumably we have to wait
for the playback to end, which could be a long time if we are
Hi Terry,
> > playlists = ('daisy', 'peal', 'vikings', 'march', 'fugue')
>
> Are these intended to be just names or should they link in some way to
> the files to be played.
They're the files to be played.
> >r = subprocess.call(...mpg321..., 'announce-' +
> >
On Friday, 3 March 2017 12:44:30 GMT Ralph Corderoy wrote:
> They're the files to be played.
Ah. We will have up to six independent playlists, so we would have to manage
that too.
> Right, so your fchimes_path is always the same file, but it needs to
> alter on each cycle for a playlist.
Not
On Friday, 3 March 2017 14:03:27 GMT Terry Coles wrote:
> On Friday, 3 March 2017 14:00:43 GMT Ralph Corderoy wrote:
> > Where do you get your mpg321 program from? A package in the
> > distribution? If so, which package, which distribution? Or somewhere
> > else?
>
> On the Pi its the Raspbian
On Friday, 3 March 2017 13:40:07 GMT Terry Coles wrote:
> On the principle that I don't need the inner while loop (around
> mp3_player.poll() ) as you mentioned in an earlier response, I think that
> this would work, but someone would have to go over and start the player
> again every 30 mins or
Hi Terry,
Where do you get your mpg321 program from? A package in the
distribution? If so, which package, which distribution? Or somewhere
else?
Cheers, Ralph.
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Next meeting: Bournemouth, Tuesday, 2017-03-07 20:00
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New
On Friday, 3 March 2017 14:00:43 GMT Ralph Corderoy wrote:
> Where do you get your mpg321 program from? A package in the
> distribution? If so, which package, which distribution? Or somewhere
> else?
On the Pi its the Raspbian repository and on this machine it's the Kubuntu
one.
Both appear
On Friday, 24 February 2017 15:43:04 GMT Ralph Corderoy wrote:
Ralph,
Thanks for all your help on the subprocess stuff. I'm sure I have a way
forward now.
In the meantime, I've been trying to get the MP3 Player to work. From your
original suggestions:
> playlists = ('daisy', 'peal',
Hi Terry,
> > They're the files to be played.
>
> Ah. We will have up to six independent playlists, so we would have to
> manage that too.
Oh, that explains why I called the tuple `playlists' originally. :-)
Change it back to that and take them to be directory names instead, and
`daisy/*.mp3'
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